Karlštejn weather in June

In June, Karlštejn sees average daytime highs of 22°C and overnight lows near 12°C, with 77 mm of rain across 12 wet days and about 16 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 20% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of June to 16 h 06 min by month's end. Set against the rest of the year, June is Karlštejn's 4th-clearest and 11th-windiest month. For the whole year in context, see Karlštejn's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
77 mm
12 wet days
Daylight
16 h 06 min
4:00 AM – 8:07 PM
Cloud cover
63%
4th clearest
Wind
10 km/h
11th windiest
Solar energy
5.47 kWh/m²
Travel score
6.2
out of 10

Karlštejn is market town in Czech Republic.

Density
58/km²
people per km²
Founded
1348

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical June day in Karlštejn reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62111
72111
82112
92212
102212
112212
122212
132212
142212
152212
162212
172212
182212
192213
202213
212213
222213
232313
242313
252313
262313
272313
282313
292313
302313

How June really feels in Karlštejn

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Karlštejn weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°369.75.38.40.0
Feb / -2°318.13.89.70.0
Mar / 4310.82.911.51.5
Apr14° / 40100.713.54.0
May19° / 7113.3015.15.5
Jun22° / 12°77120166.2
Jul24° / 14°8112.8015.76.5
Aug24° / 14°7811014.36.7
Sep19° / 10°589.5012.45.9
Oct13° / 459.70.110.53.6
Nov / 398.71.58.80.9
Dec / -1°379.347.90.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 22% of June, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24060
34159
44159
54159
64258
74258
84258
94159
104159
114159
124060
134060
143961
153961
164060
174060
183961
193961
204060
214159
224357
234456
244456
254555
264654
274753
284852
294852
304852

Chance of precipitation in June

Any precipitation

Karlštejn gets around 77 mm of rain over 12 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
244
344
444
544
644
744
844
943
1043
1143
1242
1342
1442
1542
1641
1741
1840
1940
2039
2139
2238
2338
2437
2537
2637
2738
2838
2939
3039

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1772030
2752140
3752140
4732250
5732250
6722260
7722260
8722260
9722260
10722260
11712270
12712270
13712171
14712171
15712171
16712171
17712171
18712171
19712171
20712171
21702271
22702271
23682381
24672481
25672481
26652591
27642691
28652690
29642790
30632890

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 48 min at the start of June to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:07 AM to 4:04 AM, and sunset from 7:55 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.84:077:55
215.84:067:56
315.94:057:57
415.94:057:58
515.94:047:59
615.94:048:00
716.04:038:00
816.04:038:01
916.04:028:02
1016.04:028:03
1116.04:018:04
1216.14:018:04
1316.14:018:05
1416.14:018:06
1516.14:008:06
1616.14:008:07
1716.14:008:07
1816.14:008:08
1916.14:008:08
2016.14:008:08
2116.14:008:09
2216.14:018:09
2316.14:018:09
2416.14:018:09
2516.14:018:09
2616.14:028:09
2716.14:028:09
2816.14:038:09
2916.14:038:09
3016.14:048:09

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.47 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.47 kWh/m² in June across the year — June's 5.47 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in June

Is June a good time to visit Karlštejn?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.2
Sightseeing
3rd-best month of the year
4.2
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Karlštejn for sightseeing.

What to pack for Karlštejn in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Karlštejn sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Karlštejn in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karlštejn peaks around June 21 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Karlštejn in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Karlštejn is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1022 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb18Moderate
Mar21Moderate
Apr22Moderate
May19Moderate
Jun21Moderate
Jul18Moderate
Aug19Moderate
Sep19Moderate
Oct17Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Karlštejn?

Karlštejn sits at 49.9°N, 14.2°E, 0 m above sea level, in Czechia. The nearest listed city is Beroun, 9.0 km away.

Topography around Karlštejn

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Karlštejn.

Within 3 km, the terrain around Karlštejn has only modest variations in elevation — a maximum elevation change of 237 m around an average of 323 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 829 m.

The land around Karlštejn is covered by trees (52%), cropland (22%) and grassland (20%) within 3 km, trees (48%) and cropland (28%) within 16 km, and cropland (43%) and trees (39%) within 80 km.

3 km
237 m
16 km
474 m
80 km
829 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Beroun 9.0 km · Stodůlky 16 km · Řepy 17 km · Modřany 18 km · Košíře 19 km · Hlubočepy 19 km · Braník 20 km · Smíchov 22 km

Czechia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$35,917
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
5.9
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 582
Religion
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Karlštejn (49.9374°, 14.186°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).